Complain

I lost my nephew on the 3rd of September. I went to sanlam for the claim,when they check to the computer they discovered that the personal details was captured wrong.The I'd no of the deceased was right but the name was wrong was for his mother .He advised me to go to police station for an affidavit that explain the whole issue but I left other supporting documents and later on on the 15th of September I sent that affidavit to the person who helped me.within that 48hrs they paid me but they pay for the wrong person( Mother of the deceased, I quickly inform that person assisted me for the claim.He said he phoned at head office but the person that process that claim was unavailable like he or she was on leave.But the person assisted me said the company will pay the difference. I try to phone the head office their phones are on voice mail Up until now I don't know what is happening to that claim pls help me.